WO2014010428A1

WO2014010428A1 - Mist generator

Info

Publication number: WO2014010428A1
Application number: PCT/JP2013/067629
Authority: WO
Inventors: 井上　和彦
Original assignee: 日立マクセル株式会社
Priority date: 2012-07-13
Filing date: 2013-06-27
Publication date: 2014-01-16
Also published as: JP2014018713A

Abstract

Uneven sections (95) are formed on wall surfaces (90) of a plurality of impact walls (81) provided on a rotating substrate (70), causing the wall surfaces to be roughened. Consequently, liquid drops impacting the wall surfaces (90) are more effectively separated/dispersed (broken up), and aggregation of the liquid drops on the surface of the wall surfaces (90) is prevented, thereby allowing a finer mist to be obtained and the mist diameter to be harmonized. In addition, a ring-shaped array of impact walls (82) in which the impact walls (81) and liquid channels (83) are disposed in alternating fashion is provided in at least two rows on the rotating substrate (70), the impact walls (81) of the outer array of impact walls (82) being opposed to the liquid channels (83) of the inner array of impact walls (82). Consequently, before traveling beyond the outermost array of impact walls (82), the liquid is effectively caused to impact the impact walls (81), and accordingly refined, allowing a fine mist to be obtained.

Description

Mist generator

The present invention relates to a mist generating device for sending a liquid such as water or lotion as a fine mist. This mist generator can be used, for example, as a humidifier that moisturizes the skin or as an inhaler that moistens the throat and oral cavity. Furthermore, it can be used as a liquid spreader that is disposed inside the washing tub and releases a mist-like detergent or softener.

The mist generating apparatus according to the present invention finely divides a liquid by splashing the liquid fed onto the rotating substrate with a centrifugal force and causing it to collide with a collision wall provided on the rotating substrate. A generator is known, for example, from US Pat. There, eight blades extending radially from the center between a pair of opposing disks and a number of baffle members are provided integrally with the disk, and when liquid is fed between the rotating disks, Is blown off by a centrifugal force to be misted, further refined by colliding with a baffle member, and discharged outward from between the disks.

A similar mist generator is also disclosed in Patent Document 2. There, an annular wall having a large number of guide paths extending in the radial direction and a large number of rollers facing the exit of the guide paths are provided between a pair of upper and lower disks. When the liquid is fed between a pair of rotating disks, the liquid is splashed by centrifugal force to be misted, and the liquid is further refined by colliding with the rollers through the guide path.

International Publication No. 98/05432 (Page 15, Lines 5-19, Figure 8) Japanese Utility Model Sho 62-179052 microfilm (page 8, lines 6-8, Fig. 2)

Both the baffle member of Patent Document 1 and the roller of Patent Document 2 are formed in a cylindrical shape. For this reason, when the liquid collides with a baffle member or the like, it is inevitable that the collision energy applied to the liquid is dispersed on the cylindrical surface, the liquid cannot be efficiently misted, and the mist diameter is reduced. It is difficult to plan.

An object of the present invention is to provide a mist generator that can generate fine mist more efficiently.

The present invention includes a rotating substrate 70 that is rotationally driven, a tank 7 that stores a liquid 8 for generating mist, and a liquid supply means 9 that supplies the liquid 8 stored in the tank 7 to the rotating substrate 70. For generators. The rotating substrate 70 has a plurality of collision walls 81, and an uneven portion 95 is formed on the wall surface 90 of the collision wall 81 so that the wall surface 90 is roughened.

The present invention also includes a rotary substrate 70 that is driven to rotate, a tank 7 that contains a liquid 8 for generating mist, and a liquid feeding means 9 that feeds the liquid 8 contained in the tank 7 to the rotary substrate 70. Targeted mist generators. An annular collision wall row 82 formed by alternately arranging the collision walls 81 and the liquid passages 83 is provided at least twice in the radial direction so as to surround the rotation center of the rotary substrate 70. 82, the collision wall 81 constituting the outer collision wall row 82 is arranged in a state of facing the liquid passage 83 of the inner collision wall row 82. And the uneven | corrugated | grooved part 95 is formed in the wall surface 90 of the collision wall 81 of the outer side collision wall row | line | column 82 which faces the exit of the liquid channel | path 83 of the inner side collision wall row | line | column 82 at least, and this wall surface 90 is roughened. It is characterized by.

The “annular collision wall row” referred to in the present invention is not only a form in which a plurality of collision wall rows 82 having different diameters are formed as shown in FIG. 5, but also as shown in FIG. This is a concept including a form in which the wall row 82 is formed in a spiral shape. Further, in the present invention, “the collision wall 81 constituting the outer collision wall row 82 is disposed in a state of facing the liquid passage 83 of the inner collision wall row 82” is without any exception, and is all It does not mean that the collision wall 81 constituting the outer collision wall row 82 is arranged in a state of facing the liquid passage 83 of the inner collision wall row 82, and the majority of the outer collision wall rows 82 This is a concept that includes that the collision wall 81 constituting 82 is arranged in a state of facing the liquid passage 83 of the inner collision wall row 82.

The surface roughness of the rotating substrate 70 is preferably set to be smaller than the roughness of the wall surface 90 of the collision wall 81 on which the uneven portion 95 is formed.

The uneven portions 95 can be formed on all the

wall surfaces

90, 91, 92, and 93 constituting the collision wall 81 to be roughened.

The collision wall 81 is formed in a protruding shape from the surface of the rotating substrate 70, and the uneven portion 95 can be configured by a groove 96 and a rib 97 that are long in the protruding direction from the rotating substrate 70.

The width dimension (W) of the collision wall 81 in the circumferential direction of the rotating substrate 70 and the thickness dimension (T) of the collision wall 81 in the radial direction of the rotating substrate 70 are set so as to satisfy the relationship W> T. be able to.

The width dimension (W) of the collision wall 81 in the circumferential direction of the rotating substrate 70, the thickness dimension (T) of the collision wall 81 in the radial direction of the rotating substrate 70, and the protruding dimension (H) of the collision wall 81 are: It can be set to satisfy the relationship of W> H> T.

The rotating substrate 70 includes a substrate main body 80 and a collision wall 81, and the thickness dimension (E) of the substrate main body 80, the width dimension (W) of the collision wall 81 in the circumferential direction of the rotating substrate 70, and the radial direction of the rotating substrate 70. The thickness dimension (T) of the collision wall 81 and the protrusion dimension (H) of the collision wall 81 can be set so as to satisfy the relationship E> W> H> T.

The width dimension (W) of the collision wall 81 in the circumferential direction of the rotating substrate 70, the thickness dimension (T) of the collision wall 81 in the radial direction of the rotating substrate 70, the protruding dimension (H) of the collision wall 81, and the collision The passage width (A) of the liquid passage 83 in the wall row 82 can be set so as to satisfy the relationship of W> H> T> A.

The passage width (B) of the circumferential liquid passage 84 formed between the collision walls 81 constituting the inner and outer collision wall row 82 and the passage width (A) of the liquid passage 83 of the collision wall row 82 are represented by B > A can be set to satisfy the relationship.

A top plate 86 is fixed to the upper surface 94 of the collision wall 81, and the roughness of the upper surface 94 of the collision wall 81 is preferably set smaller than the roughness of the wall surface 90 of the collision wall 81 facing the liquid passage 83. .

The colliding wall row 82 is provided in a multiple manner in the radial direction of the rotary substrate 70, and the colliding wall row 82 including the collision wall 81 can also take the form of serving as a support structure for the top plate 86.

A plurality of rotary substrates 70 each having a collision wall row 82 are stacked, and the upper rotary substrate 70 can also serve as the top plate 86 of the lower rotary substrate 70.

The collision wall 81 can be formed by electroforming.

The form in which the overhang part 135 is provided at the upper end of the collision wall 81 can be taken.

The collision wall 81 can be formed by an etching method.

In the mist generating apparatus according to the present invention, the concavo-convex portion 95 is formed on the wall surface 90 of the collision wall 81 provided on the rotating substrate 70 to roughen the wall surface 90. According to this, since the liquid droplets colliding with the wall surface 90 can be more efficiently separated and dispersed (pulverized), the liquid can be reliably miniaturized and fine mist can be obtained. In addition, since the concavo-convex portion 95 is formed on the wall surface 90, it is possible to prevent droplets from aggregating on the surface of the wall surface 90. Therefore, a finer mist can be obtained and the mist diameter can be reduced. Uniformity can be achieved.

Further, in the mist generating apparatus according to the present invention, at least double annular collision wall rows 82 in which the collision walls 81 and the liquid passages 83 are alternately arranged are provided, and the collision wall 81 of the outer collision wall row 82 is provided, Since the liquid passage 83 of the inner collision wall row 82 is opposed to the liquid, the liquid can be reliably collided with the collision wall 81 until the liquid jumps out of the outermost outer collision wall row 82. Therefore, it is possible to obtain a fine mist by refining the liquid.
In addition, in the present invention, at least the concave and convex portions 95 are formed on the wall surface 90 of the collision wall 81 of the outer collision wall row 82 facing the outlet of the liquid passage 83 of the inner collision wall row 82 to roughen the wall surface 90. As a result, the liquid droplets colliding with the wall surface 90 can be more efficiently separated and dispersed (pulverized). In addition, when the concavo-convex portion 95 is formed on the wall surface 90, droplets can be prevented from aggregating on the surface of the wall surface 90. Therefore, a finer mist can be obtained and the mist diameter can be made uniform.

When the surface roughness of the rotating substrate 70 is set to be smaller than the roughness of the wall surface 90 of the collision wall 81 on which the concavo-convex portion 95 is formed, a droplet flowing in the liquid passage 83 along the surface of the rotating substrate 70 It can prevent effectively that the flow rate of mist is impaired. In other words, it is possible to prevent the collision energy of the droplets and mist flowing through the liquid passage 83 from colliding with the collision wall 81 from being taken away by contacting the surface of the rotating substrate 70. Thereby, since a droplet or mist can be made to collide with the collision wall 81 efficiently, finer mist can be obtained.

When uneven portions 95 are formed and roughened on all the

wall surfaces

90, 91, 92, and 93 constituting the collision wall 81, the flow resistance of the liquid passage 83 defined by the wall surface of the collision wall 81 is reduced. Increase can be achieved. Therefore, improvement of the liquid separation effect can be expected, and finer mist can be obtained.

For example, when the concavo-convex portion 95 is configured by a groove and a rib that are long in the direction perpendicular to the protruding direction from the rotating substrate 70, that is, in the horizontal direction, the groove is formed in the liquid flow direction in the liquid passage 83. Therefore, when the liquid flows along the groove, the liquid aggregates and there is a possibility that the mist diameter increases. On the other hand, as in the present invention, the concavo-convex portion 95 is composed of grooves 96 and ribs 97 that are long in the protruding direction from the rotating substrate 70, and the grooves 96 are formed in a direction perpendicular to the liquid flow direction in the liquid flow path. If formed, the flow path resistance in the flow direction of the liquid passage 83 can be increased, so that the liquid can be more efficiently separated and dispersed to reduce the mist diameter.

The width dimension (W) of the collision wall 81 in the circumferential direction of the rotating substrate 70 and the thickness dimension (T) of the collision wall 81 in the radial direction of the rotating substrate 70 are set so as to satisfy the relationship of W> T. In this case, the diameter of the rotating substrate 70 can be reduced, and the overall size of the mist generator can be reduced.

The width dimension (W) of the collision wall 81 in the circumferential direction of the rotating substrate 70, the thickness dimension (T) of the collision wall 81 in the radial direction of the rotating substrate 70, and the protruding dimension (H) of the collision wall 81 are: If it is set to satisfy the relationship of W> H> T, the collision area of the collision wall 81 can be increased while reducing the diameter of the rotating substrate 70. That is, while the thickness dimension (T) of the collision wall 81 is reduced, the collision wall 81 of the outer collision wall row 82 defined by the width dimension (W) of the collision wall 81 and the protrusion dimension (H) of the collision wall. The wall surface area (W × H) can be increased. As a result, the thickness dimension (T) of the collision wall 81 is reduced to reduce the diameter of the rotating substrate 70, and the droplets sent out from the liquid passage 83 of the inner collision wall row 82 are more reliably transferred to the outer side. It is possible to efficiently reduce the mist diameter by colliding with the collision wall 81 of the collision wall row 82.

The thickness dimension (E) of the substrate body 80, the width dimension (W) of the collision wall 81 in the circumferential direction of the rotating substrate 70, the thickness dimension (T) of the collision wall 81 in the radial direction of the rotating substrate 70, and the collision When the protruding dimension (H) of the wall 81 is set so as to satisfy the relationship of E> W> H> T, the collision of the collision wall 81 is attempted while reducing the diameter of the rotating substrate 70 as before. The area can be increased. Moreover, the thickness dimension (E) of the rotating substrate 70 can be increased to make the rotating substrate 70 excellent in strength. In addition, since the weight of the rotating substrate 70 can be increased and the inertia weight thereof can be increased, the rotational posture of the rotating substrate 70 can be stabilized.

The width dimension (W) of the collision wall 81 in the circumferential direction of the rotating substrate 70, the thickness dimension (T) of the collision wall 81 in the radial direction of the rotating substrate 70, the protruding dimension (H) of the collision wall 81, and the collision When the passage width (A) of the liquid passage 83 in the wall row 82 is set so as to satisfy the relationship of W> H> T> A, the diameter of the rotating substrate 70 is reduced as before, The collision area of the collision wall 81 can be increased. In addition, if the protrusion dimension (H) of the collision wall 81 is larger than the passage width (A) of the liquid passage 83, the protrusion dimension (H) of the collision wall 81 and the passage width (A) of the liquid passage 83 are set. The cross-sectional area (H × A) of the liquid passage 83 defined by (2) can be made large, so that the liquid flow in the liquid passage 83 can be made smooth.

The passage width (B) of the circumferential liquid passage 84 formed between the collision walls 81 constituting the inner and outer collision wall row 82 and the passage width (A) of the liquid passage 83 of the collision wall row 82 are represented by B If it is set so as to satisfy the relationship of> A, the effect of improving the collision energy of the liquid against the collision wall 81, which is derived from the reduction of the passage width (A) of the liquid passage 81 of the collision wall row 82, can be expected. . Therefore, it is possible to make the mist diameter finer by causing the liquid to collide with the collision wall 81 more efficiently.

When the roughness of the upper surface 94 of the collision wall 81 is set to be smaller than the roughness of the wall surface 90 of the collision wall 81 facing the liquid passage 83, the adhesion between the top plate 86 and the collision wall 81 is improved. Can do. Accordingly, it is possible to prevent the top plate 86 and the collision wall 81 from being inadvertently separated, so that the state in which the top plate 86 and the rotating substrate 70 are firmly integrated can be maintained for a long time.

If the collision wall rows 82 are provided in the radial direction of the rotating substrate 70, the liquid traveling direction can be diversified, the liquid can be well separated, and the mist can be miniaturized. In addition, the liquid can be repeatedly collided with the collision wall 81 facing the liquid passage 83, so that the mist can be further refined. Further, if the collision wall row 82 including the collision wall 81 also serves as a support structure for the top plate 86, an increase in the manufacturing cost of the mist generating device can be suppressed as compared with a mode in which a separate support structure for the top plate is provided. it can.

When a plurality of rotating substrates 70 including the collision wall row 82 are stacked, the amount of mist generated can be increased without increasing the outer diameter of the rotating substrate 70. Therefore, it is possible to obtain a mist generating device that is small and excellent in mist generation capability. In addition, if the upper rotating substrate 70 also serves as the top plate 86 of the lower rotating substrate 70, it is possible to suppress an increase in the overall dimension (vertical thickness dimension) of the stacked rotating substrates 70. This can contribute to the miniaturization of the mist generator.

When the collision wall 81 is formed by electroforming, the rotary substrate 70 including a large number of collision walls 81 can be formed with high accuracy.
In addition, if the filler 115 is included in the pattern film 110 of the resist body 111 formed prior to the electrodeposition process of the electroforming method, vertical grooves are formed on the side surfaces of the resist body 111 due to light refraction by the filler 115. Since it can be formed, the concavo-convex portion 95 of the collision wall 81 can be formed using the vertical groove. More specifically, the electroforming method forms a photoresist layer 109 on the substrate body 80 and forms a pattern film 110 having a through hole 110 a corresponding to the liquid passage 83 on the photoresist layer 109. A resist body 111 corresponding to the liquid passage 83 is obtained by performing exposure by irradiating ultraviolet light with the ultraviolet light irradiating means 103, performing development and drying, and dissolving and removing unexposed portions. A step of forming a pattern resist 112 on the substrate body 80 and a step of forming an electroformed layer 113 corresponding to the collision wall 81 by electrodepositing a metal on a portion of the substrate body 80 without the resist body 111. In addition, if the filler 115 is included in the pattern film 110, the pattern is caused by refraction of ultraviolet light by the filler 115. Since a groove is formed at the boundary between the exposed portion and the unexposed portion of the resist 112, that is, the side surface of the resist body 111, the vertical groove is formed on the surface of the collision wall 81 by forming the electroformed layer 113 using the groove. Can be formed. As described above, when the filler 115 is included in the pattern film 110, the concavo-convex portion 95 can be formed simultaneously with the formation of the collision wall 81. Therefore, the concavo-convex portion is formed in a separate process such as applying sandblast or metal particles. Compared with the embodiment in which 95 is formed, an increase in the manufacturing cost of the mist generating device can be suppressed.

If the overhang part 135 is provided at the upper end of the collision wall 81, the top plate can be abolished, and an increase in the manufacturing cost of the mist generating device can be suppressed.

If the collision wall 81 is formed by the etching method, the concavo-convex portion 95 can be formed simultaneously with the formation of the collision wall 81, and therefore the concavo-convex portion 95 is formed in a separate process such as sand blasting or metal particle coating. Compared with the form to do, the raise of the manufacturing cost of a mist generator can be suppressed.

It is a perspective view of the principal part of the mist generator which concerns on 1st Embodiment of this invention. It is a vertical side view which shows schematic structure of a mist generator. It is a figure which expands and shows the head part of a mist generator. It is an exploded view of the head part of a mist generator. It is a top view which shows a rotation board. It is a vertical side view of the principal part of a mist generator. It is a block diagram which shows the control structure of a mist generator. (A) * (b) is a time chart for demonstrating the control method of a mist generator. It is a figure for demonstrating the usage method of a mist generator. It is a figure for demonstrating the washing | cleaning method of a mist generator. (A)-(c) is a figure for demonstrating the manufacturing method of the rotating substrate which comprises a mist generator. (A)-(c) is a figure for demonstrating the manufacturing method of the rotating substrate which comprises a mist generator. It is a top view which shows the rotating substrate which comprises the mist generator which concerns on 2nd Embodiment of this invention. (A) * (b) is a vertical side view which shows the rotation board which comprises the mist generator which concerns on 3rd Embodiment of this invention. It is a vertical side view which shows the rotating substrate which comprises the mist generator which concerns on 4th Embodiment of this invention.

First Embodiment FIGS. 1 to 12 show a first embodiment of a mist generating apparatus according to the present invention. As shown in FIG. 2, a main body case 1 serving as a casing of the mist generating apparatus includes a cylindrical grip portion 2 that is provided in the lower portion and is long in the vertical direction, and a head portion that is integrally formed above the grip portion 2. 3 is a resin molded product. In the present invention, “front / rear”, “left / right”, and “upper / lower” follow the cross arrows shown in FIG. 2 to FIG. Note that the vertical direction in FIG. 2 defines the extending direction of the grip portion 2 as the vertical direction, and in FIGS. 3 to 6, the extending direction of the head portion 3 is defined as the vertical direction. It is supplemented that the “vertical direction” is different between FIGS.

As shown in FIG. 2, inside the head unit 3, there is a rotating body 5, a motor (rotating body driving means) 4 that rotationally drives the rotating body 5, and a mist supply that is attached to an output shaft 56 of the motor 4. A mist generating unit 6 including a fan (fan unit) 46 and the like is disposed. A tank 7 in which water (liquid) 8 for generating mist is accommodated is detachably attached to the lower end of the grip portion 2, and the water 8 accommodated in the tank 7 is mist inside the grip portion 2. A liquid feeding unit 10 including a feeding pump (liquid feeding means) 9 for feeding to the generating unit 6, a battery 11 for supplying electric power to the rotating body driving motor 4, and the like, a charging device 117 (FIG. 7), and a control circuit 13 (see FIG. 7) for controlling the entire mist generator. In FIG. 2, reference numeral 14 denotes a control board on which the control circuit 13 and the oscillation circuit 124 constituting the charging device 117 are mounted, and reference numeral 15 denotes a rotating body driving motor 4 and a pump driving motor 17. Reference numeral 16 denotes a main switch for turning on and off the motor 4 during the washing operation. The main switch 15 and the cleaning switch 16 are provided on the front surface of the housing of the grip portion 2.

The tank 7 is a resin molded product formed in a cylindrical container shape having an outer diameter that matches the outer diameter of the cylindrical grip portion 2, and the upper wall surface 7 a constitutes the liquid feeding unit 10. A liquid supply port 20 that allows insertion of the strainer 24 attached to the lower end of the suction pipe 25 is projected upward. A pipe opening 21 that allows the suction pipe 25 to protrude is projected downward on the lower wall surface 2 a of the grip portion 2, and a tank detaching mechanism is provided between the pipe opening 21 and the liquid supply port 20. It has been. The tank detaching mechanism includes a male screw portion 21a provided in the pipe opening 21 on the grip portion 2 side, and a female screw portion 20a that is screwed and coupled to the male screw portion 21a provided in the liquid supply port 20 on the tank 7 side. After the strainer 24 and the suction pipe 25 are inserted into the tank 7 from the liquid supply port 20, the tank 7 is attached to the lower end of the grip portion 2 by screwing the female screw portion 20a into the outer surface of the male screw portion 21a in a predetermined direction. Can be fixed. Further, by rotating the tank 7 in the opposite direction from the state in which the tank 7 is attached to the lower end of the grip portion 2, the threaded state of the female screw portion 21a with respect to the male screw portion 20a is released, and the tank 7 is It can be removed from the grip part 2. Further, by removing the tank 7 from the grip portion 2 and supplying water 8 into the tank 7 from the liquid supply port 20, the water 7 can be filled into the tank 7. Reference numeral 22 denotes a seal ring disposed between the pipe opening 21 and the suction pipe 25.

The liquid supply unit 10 extends toward the inner bottom of the tank 7 from the supply pump 9 disposed inside the grip unit 2, the motor 17 that drives the supply pump 9, and the suction port of the supply pump 9. It is comprised by the suction pipe 25 and the discharge flow path 26 arrange | positioned between the discharge port of the feed pump 9, and the rotary body 5. FIG. The discharge channel 26 is in communication with the feed tube 27 disposed from the discharge port of the feed pump 9 to the protective hood 45 of the head unit 3, the liquid passage 28 formed in the protective hood 45, and the liquid passage 28. The feed pipe 29 extends toward the rotating body 5. The feed pump 9 is a low-pressure gear pump, and delivers about 0.01 ml of water to the discharge passage 26 per second.

As shown in FIGS. 3 and 4, the head portion 3 is disposed above the base case 30, a base case 30 disposed at the center in the vertical direction, a lower case 31 disposed below the base case 30, and the base case 30. In addition, a motor holder 33 for mounting the motor 4 is provided therein. The head portion 3 composed of the base case 30, the lower case 31, the upper case 32, and the like is mounted in a head holder 3a (see FIG. 2) connected to the grip portion 2.

The motor holder 33 includes inner

cylindrical walls

35 and 38 provided in the base case 30 and the lower case 31. More specifically, the base case 30 includes a bottomed straight cylindrical inner cylinder wall 35 having an opening below, an outer cylinder wall 36 disposed so as to surround the inner cylinder wall 35, and the inner and

outer cylinder walls

35 and 36. And a connecting arm 37 (not shown) for bridging, and a communication hole 37 is formed between the inner and

outer cylinder walls

35 and 36 to communicate in the vertical direction. The lower case 31 includes a bottomed straight cylindrical inner cylinder wall 38 having an opening on the upper side, an outer cylinder wall 39 disposed so as to surround the inner cylinder wall 38, and a bridge between the inner and

outer cylinder walls

38 and 39. A connecting hole 40 is formed between the inner and

outer cylinder walls

38 and 39. The communicating hole 40 is formed between the inner and

outer cylinder walls

38 and 39. The outer cylindrical wall 39 of the lower case 31 includes a straight portion 39a having a uniform diameter and a tapered portion 39b formed continuously from the straight portion 39a and gradually increasing in diameter as it goes downward. Yes. The diameter dimensions of the

inner cylinder walls

35 and 38 of both

cases

30 and 31 and the diameter dimensions of the outer cylinder wall 36 of the base case 30 and the straight portion 39a of the lower case 31 are set to the same dimension. When the lower case 31 is attached to the lower end, a motor holder 33 defined by the inner

cylindrical walls

35 and 38 of both

cases

30 and 31 is formed inside the head portion 3.

The upper case 32 includes a cylindrical wall 44 having a bell mouth-shaped injection port 43, and a protective hood 45 formed above the cylindrical wall 44. A fan unit 46, a support base 47, and a rotating body are provided therein. 5. A mist generating unit 6 composed of a pressing plate 48 is disposed. As shown in FIG. 4, the cylindrical wall 44 includes a straight portion 44 a that is continuous with the outer cylindrical wall 36 of the base case 30, and an upwardly expanding tapered tapered portion 44 b that is continuously formed at the upper end of the straight portion 44 a. It is configured. The protective hood 45 includes a disc-shaped hood main body 50 formed for the purpose of protecting the rotating body 5, and a hood holder 51 that holds the hood main body 50. The hood holder 51 includes three support legs 52 that support the hood body 50 in a floating position, and a support piece 53 that is formed on the upper end of the support legs 52 and receives the hood body 50. The support legs 52 of the hood holder 51 are radially formed at equal intervals from the hood main body 50, and the lower ends thereof are connected to the cylindrical wall 44. In FIG. 3 and the like, only the two

support legs

52 and 52 are shown.

3 and 4, a liquid passage 28 is formed inside the hood holder 51 of the protective hood 45. The liquid passage 28 is formed in one support leg 52 and is formed in the first flow path 28a to which the feed tube 27 (see FIG. 2) is connected and in the support piece 53, and The second channel 28b is connected to the downstream end of the first channel 28a. The lower end portion of the support leg 52 having the first flow path 28a protrudes outside the cylindrical wall 44, and the feed tube 27 is connected to the lower end portion of the support leg 52 in an outer fitting shape. A liquid feed port 54 protrudes downward from the central portion of the lower surface of the support piece 53, and the feed connected to the downstream end of the second flow path 28 b in the liquid feed port 54. A tube 29 is arranged. 3 and 4, reference numeral 53 a indicates a central opening that is provided in the central portion of the support piece 53 and communicates with the liquid supply port 54. The liquid supply port 29a at the lower end of the feed pipe 29 is close to and opposed to the output shaft 56 of the motor 4 for driving the rotating body through a slight gap (see FIG. 6).

As shown in FIG. 4, an opening 58 that allows the output shaft 56 of the motor 4 to protrude is formed in the upper wall 57 of the base case 30, and the motor 4 ejects the upper case 32 through the opening 58. It is disposed in the motor holder 33 with the output shaft 56 oriented in the mouth 43. The fan unit 46, the support base 47, and the rotating body 5 are mounted in the order of description on the output shaft 56 of the motor 4 protruding from the upper wall 57 of the base case 30. The fan unit 46 surrounds the fan blade 61, a columnar fan base 60 that is externally fitted to the output shaft 56, a group of fan blades 61 that project in a spiral shape along the outer peripheral surface of the fan base 60, and the fan blade 61. Is a plastic molded product integrally formed with an annular protective ring 62 formed on the base case 30 and air sucked from the lower opening 41 of the lower case 31 through the communication holes 37 and 40 of the base case 30 and the lower case 31. Is delivered toward the injection port 43 of the upper case 32. As described above, the fan unit 46 is attached to the output shaft 56 of the motor 4 for driving the rotating body. That is, the motor 4 also serves as a fan driving motor.

The support base 47 is a plastic molded product formed in a substantially inverted truncated cone shape with a small diameter on the lower surface and a large diameter on the upper surface. A connection boss 64 for welding and fixing the presser plate 48 is projected. At the center of the fan base 60 and the support base 47 of the fan unit 46, mounting

holes

65 and 66 for opening and mounting the fan unit 46 and the support base 47 are formed on the outer peripheral surface of the output shaft 56. A receiving surface 67 for receiving the lower surface of the support base 47 is formed in a stepped shape on the upper surface of the fan base 60 of the fan unit 46. When the fan unit 46 and then the support base 47 are mounted on the output shaft 56, The lower surface of the support base 47 is received by the receiving surface 67 of the fan unit 46.

As shown in FIGS. 5 and 6, the rotator 5 is formed by laminating a plurality of metal rotating substrates 70 having the same outer diameter, and in this embodiment, four rotating substrates. The rotating body 5 is configured by laminating 70a to 70d. Each of the rotating substrates 70a to 70d includes a disk-shaped or ring-shaped substrate main body 80 and a plurality of collision walls 81 erected on the upper surface of the substrate main body 80. At the center of the board surface of the substrate main body 80 constituting the lowermost rotary substrate 70a, a mounting hole 71 for opening and mounting the rotary substrate 70a on the outer peripheral surface of the output shaft 56 is formed, and is positioned above. In the center of the board surface of the substrate body 80 constituting the three rotary substrates 70b to 70d, a flow path introduction port 72 that allows the liquid supply port 54 to be inserted is opened. That is, the substrate body 80 of the lowermost rotating substrate 70 a is formed in a circular plate shape having the mounting holes 71, and the substrate bodies 80 of the remaining rotating substrates 70 b to 70 d are larger in diameter than the mounting holes 71. It is formed in a circular ring shape having a flow path inlet 72. As described above, the rotating body 5 formed by laminating these rotating substrates 70 a to 70 d is formed in a cylindrical block shape having an upper opening communicating with the flow path introduction port 72. Connection holes 73 that allow the connection bosses 64 to be inserted are formed at four positions at equal intervals on each of the rotary substrates 70a to 70d.

The holding plate 48 disposed for the purpose of preventing the rotary substrates 70a to 70d from being lifted from the support base 47 includes a circular ring-shaped base portion 75 having an inner diameter equivalent to that of the uppermost rotary substrate 70d, and the base portion 75. A restricting cylinder portion 76 that protrudes upward from the inner peripheral surface, faces the liquid supply port 54 in close proximity, and restricts swinging of the mist generating portion 6 including the rotating body 5. Corresponding to the connection holes 73 of the rotary substrates 70a to 70d, connection holes 77 are also opened at four positions on the surface of the base portion 75.

The rotating body 5 and the holding plate 48 are fixed upward in a retaining manner by connecting bosses 64 inserted through the connecting

holes

73 and 77. More specifically, the rotating base plates 70a to 70d and the connecting

holes

73 and 77 of the pressing plate 48 constituting the rotating body 5 are aligned with the connecting boss 64 of the support base 47, and the rotating substrates 70a to 70d and the pressing plate 48 are aligned. After the connection boss 64 is inserted into the connection holes 73 and 77, the upper end portion of the connection boss 64 protruding upward from the base portion 75 of the holding plate 48 through the connection holes 73 and 77 is heat caulked. Thereby, the rotary substrates 70a to 70d and the pressing plate 48 can be fixed to the support base 47 in a retaining manner.

Further, the mist generating unit 6 having the above-described configuration fixes the rotating body 5 and the pressing plate 48 to the support base 47 in advance by the above procedure, and the three parties (the supporting base 47, the rotating body 5, and the pressing plate 48). ) Can be made into unit parts. The mist generating unit 6 can be assembled by mounting the fan unit 46 and the previous unit component on the output shaft 56 of the motor 4.

As described above, the liquid supply port 29a at the lower end of the feed pipe 29 is in close proximity to the output shaft 56 of the motor 4 through a slight gap (see FIG. 6). Accordingly, when the

motors

4 and 17 are driven, the water sucked up from the tank 7 through the suction pipe 25 and discharged from the liquid supply port 29a of the supply pipe 29 through the discharge flow path 26 is supplied to the output shaft. After bouncing at the upper end of 56 and being scattered in the space related to the flow path introduction port 72, it is introduced into the rotator 5. Then, after being misted in the rotating body 5, the air is blown from the fan unit 46 and is discharged from the ejection port 43. More specifically, the water that has been discharged from the liquid supply port 29a of the feed pipe 29 through the discharge flow channel 26 and moved to the contact portion with the rotating substrate 70 is scattered toward the flow channel introduction port 72 by centrifugal force. Then, it enters the gap (passage entrance) formed between the rotating substrates 70a to 70d and the clearance (passage entrance) formed between the rotating substrate 70d and the base portion 75. Then, while colliding with the collision wall 81, the inside of the passage is moved outward to be misted. At this time, since the output shaft 56 has a structure in which the diameter gradually decreases toward the tip, the action of sucking the liquid from the liquid supply port 29a works. Further, the output shaft 56 also serves as a protrusion provided to prevent the liquid from the feed pump 9 from being intermittently fed to the rotary substrate 70. Therefore, it is possible to contribute to cost reduction as compared with a case where a separate protrusion is provided.

As shown in FIG. 5, the collision walls 81 are provided on the entire upper surface except for the vicinity of the center of the substrate body 80, and are arranged at predetermined intervals in the circumferential direction of the substrate body 80. It is composed. Between the adjacent collision walls 81 in the collision wall row 82, a liquid passage 83 through which the liquid splashed by the centrifugal force passes is formed. The collision wall rows 82 are provided in a multiple manner in the radial direction of the rotating substrate 70, and a circumferential passage 84 is formed between the adjacent collision wall rows 82 in the inner and outer directions (radial direction) of the rotating substrate 70. Yes. Thus, if the collision wall row 82 is provided in multiple (triple or more), water miniaturization can be further promoted. In other words, when the collision wall rows 82 are provided in the radial direction of the rotary substrate 70, the liquid traveling direction can be diversified, the liquid can be separated well, and the mist can be miniaturized. In addition, the liquid can be repeatedly collided with the collision wall 81 facing the liquid passage 83, so that the mist can be further refined.

The collision wall 81 constituting the outer collision wall row 82 faces the liquid passage 83 of the inner collision wall row 82. That is, each collision wall 81 constituting the outer collision wall 82 is disposed so as to face the outlet of the liquid passage 83 of the inner collision wall row 82. As a result, the water fed to the center of the rotating substrate 70 and splashed off by the centrifugal force passes through the liquid passage 83 constituting the inner collision wall row 82 and the collision wall constituting the outer collision wall row 82. 81 can always be made to collide.

The outer collision wall row 82 includes more collision walls 81 and liquid passages 83 than the inner collision wall row 82. In this way, if a large number of liquid passages 83 are provided in the collision wall row 82 on the outer peripheral side, it is possible to diversify the traveling direction of water and to disperse the water so as to spread over the entire surface of the rotating substrate 70. Water refinement can be promoted. In the present invention, “the collision wall 81 constituting the outer collision wall row 82 is disposed in a state of being opposed to the liquid passage 83 of the inner collision wall row 82” without any exception, and all It does not mean that the collision wall 81 constituting the outer collision wall row 82 is arranged in a state of facing the liquid passage 83 of the inner collision wall row 82, and the majority of the outer collision wall rows 82 As described above, the collision wall 81 that constitutes 82 is a concept that includes that the collision wall 81 is disposed in a state of facing the liquid passage 83 of the inner collision wall row 82 as in the present embodiment. When the collision walls 82 are provided in multiple (three or more), for example, even when the liquid passages 83 overlap with part of the two collision wall rows 82 and the liquid passages 83 communicate with each other in the inner and outer directions, three rows are provided. The collision wall 81 of the fourth or fourth collision wall row 82 And over at least once until the liquid popping outward collision wall column 82 of the outermost periphery can collide with the collision wall 81.

Further, when the rotating body 5 is configured by laminating a plurality of rotating substrates 70, the surface area of the rotating body 5 is increased without increasing the outer diameter of the rotating substrate 70, thereby increasing the amount of mist generated. Can be achieved. Therefore, it is possible to obtain a mist generating device that is small and excellent in mist generation capability.

The upper opening of the liquid passage 83 is covered with the lower surface of the rotating substrate 70 disposed above, in other words, the substrate body 80 of the upper rotating substrate 70 is connected to the liquid passage 83 of the lower rotating substrate 70. The top plate 86 (see FIG. 6) covers the upper opening. As described above, when the substrate body 80 of the upper rotating substrate 70 also serves as the top plate 86 that covers the liquid passage 83 of the lower rotating substrate 70, the rotation can be performed as compared with a configuration in which a separate top plate 86 is provided. By reducing the thickness dimension of the body 5, it is possible to contribute to miniaturization of the mist generating device. However, the upper opening of the liquid passage 83 of the rotary substrate 70 positioned at the uppermost position is covered with the lower surface of the pressing plate 48.

As shown in FIG. 6, the upper rotary substrate 70 is supported on the upper surface of the collision wall 81 of the lower rotary substrate 70. That is, the collision wall row 82 including the lower collision wall 81 also serves as a support structure for the upper rotary substrate 70. According to this, an increase in the manufacturing cost of the rotating body 5 can be suppressed as compared with a mode in which a support structure for the upper rotating substrate 70 is provided separately.

As shown in FIGS. 1 and 5, each collision wall 81 includes a pair of wall surfaces 90 facing the center of the rotating substrate 70, a wall surface 91 facing the radial outside of the rotating substrate 70, and a pair of

walls

90 and 91. Water which is formed in a rectangular column shape having wall surfaces 92 and 93 and splashed outward by centrifugal force through the liquid passage 83 constituting the inner collision wall row 82 collides with the wall surface 90 and is crushed. Is done. The entire wall surface of the collision wall 81 including the wall surface 90 is roughened by forming an uneven portion 95 in order to improve the water crushing effect. The concavo-convex portion 95 includes a groove 96 that is long in the protruding direction (vertical direction) of the collision wall 81 from the substrate body 80 and a rib 97 that is formed between adjacent grooves 96. As described above, when the concave and convex portions 95 formed by the vertically long grooves 96 and the ribs 97 are formed on the respective wall surfaces 90 to 93 of the collision wall 81 and the respective wall surfaces 90 to 93 are roughened, Since the liquid droplets colliding with 90 to 93 can be crushed more efficiently, the water can be miniaturized and finer mist can be obtained. In addition, since water can be prevented from aggregating on the surfaces of the wall surfaces 90 to 93, the water can be refined in this respect, and finer mist can be obtained. In addition, when the concavo-convex portions 95 are formed and roughened on all the wall surfaces 90 to 93 constituting the collision wall 81, a passage (liquid passage 83, circumferential direction) defined by the wall surfaces 90 to 93 of the collision wall 81 is formed. Since the flow path resistance of the passage 84) can be increased, an improvement in water separation effect can be expected, and finer mist can be obtained.

In addition, if the concavo-convex portion is formed by a groove and a rib that are long in the left-right direction, the groove is formed in the water flow direction, so that water flows along the long groove in the left-right direction, The inconvenience of flocculation is expected. On the other hand, when the uneven portion 95 is formed by the groove 96 and the rib 97 that are long in the vertical direction as in the present embodiment, the flow in the flow direction of the liquid passage (the liquid passage 83 and the circumferential passage 84). Since the road resistance can be increased, water can be more efficiently separated and dispersed to reduce the mist diameter.

The width dimension (W) of the collision wall 81 in the circumferential direction of the rotating substrate 70 is set larger than the thickness dimension (T) of the collision wall 81 in the radial direction of the rotating substrate 70. That is, the relationship of W> T is satisfied. Thus, if the thickness dimension (T) of the collision wall 81 is set small, the diameter of the rotating substrate 70 can be reduced, and the entire mist generator can be downsized.

The width dimension (W) of the collision wall 81 in the circumferential direction of the rotating substrate 70, the thickness dimension (T) of the collision wall 81 in the radial direction of the rotating substrate 70, and the protrusion dimension (H) of the collision wall 81 are: It is set so as to satisfy the relationship of W> H> T. According to this, the diameter of the rotating substrate 70 can be reduced by reducing the thickness dimension of the collision wall 81. In addition, since the wall surface area (W × H) of the collision wall 81 can be increased, the water sent out from the liquid passage 83 of the inner collision wall row 82 is more reliably caused to collide with the outer collision wall row 82. By colliding with the wall 81, the mist diameter can be efficiently reduced.

The thickness dimension (E) of the substrate body 80, the width dimension (W) of the collision wall 81 in the circumferential direction of the rotating substrate 70, the thickness dimension (T) of the collision wall 81 in the radial direction of the rotating substrate 70, and the collision The protrusion dimension (H) of the wall 81 is set so as to satisfy the relationship of E> W> H> T. According to this, similarly to the above, the collision area of the collision wall 81 can be increased while reducing the diameter of the rotating substrate 70. Moreover, since the thickness dimension (E) of the board | substrate body 80 can be taken large, this rotary board | substrate 70 can be made excellent in intensity | strength. In addition, since the weight of the rotating substrate 70 can be increased and the inertia weight thereof can be increased, the rotational posture of the rotating substrate 70 can be stabilized.

The width dimension (W) of the collision wall 81 in the circumferential direction of the rotating substrate 70, the thickness dimension (T) of the collision wall 81 in the radial direction of the rotating substrate 70, the protruding dimension (H) of the collision wall 81, and the collision The passage width (A) of the liquid passage 83 in the wall row 82 is set so as to satisfy the relationship of W> H> T> A. According to this, similarly to the above, the collision area of the collision wall 81 can be increased while reducing the diameter of the rotating substrate 70. In addition, since the protrusion dimension (H) of the collision wall 81 is larger than the passage width (A) of the liquid passage 83, the protrusion dimension (H) of the collision wall 81 and the passage width (A) of the liquid passage 83 are The cross-sectional area (H × A) of the liquid passage 83 defined by Accordingly, the water flow in the liquid passage 83 can be made smooth.

The passage width (B) of the circumferential liquid passage (circumferential passage 84) formed between the collision walls 81 constituting the inner and outer collision wall row 82 and the passage width (A) of the liquid passage 83 of the collision wall row 82 ) And B> A. According to this, the improvement effect of the collision energy of water with respect to the collision wall 81 resulting from reducing the passage width (A) of the liquid passage 83 of the collision wall row 82 can be expected. Therefore, water can be collided with the collision wall 81 more efficiently, and the mist diameter can be refined.

As shown in FIGS. 11 and 12, the rotating substrate 70 is manufactured through a primary electroforming process and a secondary electroforming process. FIG. 11 (a) shows a pattern resist forming step that is performed prior to the primary electroforming step (FIG. 11 (b)). As shown in FIG. 11 (a), the surface of the mother die 100 is shown. After the photoresist layer 101 is formed, a pattern film 102 having a through hole 102a corresponding to the through hole (the mounting hole 71, the channel introduction port 72, or the connection hole 73) of the substrate body 80 is formed on the photoresist layer 101. A resist corresponding to the through-hole is formed by exposing the pattern film 102 to ultraviolet light from the upper side of the pattern film 102 and irradiating it with ultraviolet light, performing development and drying, and dissolving and removing unexposed portions. A primary pattern resist 105 having a body 104 is formed. Next, the mother mold 100 together with the primary pattern resist 105 is put in an electroforming tank, and an electrodeposited metal is electroformed on the surface of the mother mold 100 that is not covered with the primary pattern resist 105. A cast layer 106 is formed (FIG. 11B). Next, after removing the primary pattern resist 105, the primary electroformed layer 106 is polished to form a substrate body 80 with the upper surface of the primary electroformed layer 106 being a smooth surface (FIG. 11C). )). As the polishing belt 116 used in the polishing process, a No. 1000 belt or a No. 700 belt can be used.

Next, as shown in FIG. 12A, after a photoresist layer 109 is formed on the substrate body 80, a liquid passage (a liquid passage 83 and a circumferential passage 84) corresponds to the photoresist layer 109. A pattern film 110 having a through-hole 110a is formed on the photoresist layer 109, exposed by irradiating ultraviolet light from above the pattern film 110 with an ultraviolet irradiation lamp 103, developed, and dried. By dissolving and removing the exposed portion, a secondary pattern resist 112 having a resist body 111 corresponding to the liquid passage is formed. Next, the substrate main body 80 together with the secondary pattern resist 112 is put in an electroforming tank, and an electrodeposited metal is electroformed on the surface of the substrate main body 80 not covered with the secondary pattern resist 112 to correspond to the collision wall 81. A secondary electroformed layer 113 is formed (FIG. 12B). Next, by polishing the upper surface of the secondary electroformed layer 113, the upper surface of the secondary electroformed layer 113 is made smooth (FIG. 12C), and the secondary pattern resist 112 is removed. By removing, the rotating substrate 70 in which the collision wall 81 is formed on the substrate body 80 can be obtained. As the polishing belt 116 used in the polishing process, a No. 1000 belt or a No. 700 belt can be used. In FIG. 12C, reference numeral 114 denotes a polishing burr formed on the upper end of the collision wall 81 in the polishing process, and the polishing burr 114 is removed by electropolishing and shown in FIG. 1 and FIG. Such a rotating substrate 70 can be obtained.

In the manufacturing method of the rotating substrate 70 according to this embodiment as described above, the filler 115 is included in the pattern film 110 having the through holes 110a corresponding to the liquid passages (the liquid passage 83 and the circumferential passage 84). The point is noted. When the filler 115 is included in the pattern film 110 as described above, a groove is formed in the boundary portion between the exposed portion and the unexposed portion of the secondary pattern resist 112, that is, on the side surface of the resist body 111 due to refraction of ultraviolet light by the filler 115. Therefore, a vertical groove can be formed on the surface of the collision wall 81 by forming the secondary electroformed layer 113 using such a groove. That is, the uneven portion 95 can be formed simultaneously with the formation of the collision wall 81. Therefore, an increase in the manufacturing cost of the mist generating device can be suppressed as compared with a mode in which the concavo-convex portion 95 is formed in another process such as sand blasting or metal particle coating.

FIG. 7 shows a circuit configuration of the mist generating apparatus according to this embodiment. The mist generator comprises a main switch 15 and a cleaning switch 16 provided on the front surface of the casing of the grip portion 2, and a rotating body driving motor 4 and a feed pump 9 according to an on / off operation of these

switches

15 and 16. A control circuit 13 that rotationally drives the pump driving motor 17 and a charging device 117 that charges the mist when the main switch 15 is turned on. The charging device 117 includes a high voltage generator 118, and a high-voltage pulse generated by the high voltage generator 118, and the power supply electrode that contacts the output shaft 56 of the motor 4 for driving the rotating body and the outer peripheral surface of the output shaft 56. The charging lead 120 applied to the rotating substrate 70 (rotating body 5) via the 119 and one end connected to the negative electrode of the battery 11 and the other end connected to the contact electrode 121 disposed on the rear surface of the grip portion 2. The ground lead 122 is configured. The ground lead 122 allows the contact electrode 121 to have the same potential as the circuit ground potential.

The high voltage generator 118 is boosted by the oscillation circuit 124 that converts the current of the battery 11 into alternating current, the first boost circuit 125 that boosts the pulse current generated by the oscillation circuit 124, and the first boost circuit 125. Rectifying circuit 126 that rectifies the pulse current, a pulse generation circuit 127 that converts the direct current output from the rectifying circuit 126 into a pulse current again, a second boosting circuit 128 that further boosts the pulse current, and the charging polarity of the mist And a diode D for setting The pulse current generated by the oscillation circuit 124 is boosted to 100 V by the first booster circuit 125, further boosted to 4 kV by the second booster circuit 128, and then supplied to the discharge electrode. The pulse current boosted by the second booster circuit 128 is discharged between the rotating substrate 70 (rotating body 5), which is a discharge electrode, and a counter electrode (not shown), thereby generating mist generated on the rotating substrate 70. Can be charged to a positive potential or a negative potential. The control circuit 13, the oscillation circuit 124, the first booster circuit 125, the rectifier circuit 126, the pulse generator circuit 127, the second booster circuit 128, the diode D, and the like are mounted on the control board 14. When the diode D is connected in the forward direction toward the power supply electrode 119, the mist is charged positively. When the diode D is connected in the reverse direction toward the power supply electrode 119, the mist is negative. Is charged. The feeding electrode 119 is not brought into contact with the output shaft 56 of the motor 4 for driving the rotating body, but the feeding electrode 119 is directly brought into contact with a part of the rotating substrate 70 (the rotating body 5) to thereby rotate the rotating substrate 70 (the rotating body). A high voltage may be applied to 5). One end of the ground lead 122 is not limited to the circuit configuration connected to the negative electrode line of the battery 11, but is connected to the secondary electrode line (not shown) of the booster circuit 128. May be. That is, one end of the ground lead 122 may be connected to a ground line of a circuit such as the counter electrode or the negative electrode of the battery 11.

Fig. 9 shows how to use the mist generating device having the above-described configuration. As shown in FIG. 9, the mist generating apparatus according to the present embodiment is used in a state where the grip portion 2 is gripped with the palm of the hand and the injection port 43 of the head portion 3 is directed to the human body face. When the main switch 15 is turned on from such a use posture, the mist generation mode is set, and the rotating body driving motor 4 and the pump driving motor 17 are driven and the charging device 117 is driven. At this time, since the user's palm or finger contacts the contact electrode 121 by gripping the grip portion 2, the ground potential of the human body can be made equal to the ground potential of the circuit. In addition, since a high voltage pulse can be applied to the rotating substrate 70 via the charging lead 120, the power supply electrode 119, and the output shaft 56 of the motor 4 for driving the rotating body, the rotating substrate can be changed depending on the connection direction of the diode D. The mist generated at 70 can be charged to a positive or negative potential. As a result, electric lines of force are formed from the rotating board 70 of the mist generating device toward the human body, so that the positive or negatively charged mist generated by the rotating board 70 is moved along the electric lines of force, It can be attracted to the human body. Thereby, since mist can be attracted to a human body more efficiently, mist can be adsorbed to a human body more efficiently.

Thus, by rotating the rotating substrate 70 (rotating body 5) while applying a high voltage, it is possible to generate mist charged positively or negatively on the rotating substrate 70. For example, since the human body is normally positively charged, the mist can be adsorbed to the human body by generating the negatively charged mist on the rotating substrate 70. Further, in the above structure, since the contact electrode 121 connected to the circuit ground line such as the counter electrode or the negative electrode of the battery 11 is provided, the ground potential of the human body is positively set to the same potential as the circuit ground potential. Therefore, mist can be stably adsorbed to the human body.

FIG. 8A shows a time chart showing the control timing of the

motors

4 and 17 in the mist generation mode. First, when the main switch 15 is pushed and turned on, the control circuit 13 rotates the motor 4 for driving the rotating body simultaneously with the turning-on operation of the main switch 15. Next, the pump driving motor 17 is driven after a predetermined time (t1) has elapsed since the motor 4 was driven. As a result, the water sucked up from the tank 7 is made into mist by the mist generator 6 and is injected from the injection port 43 on the wind force generated by the fan unit 46. The rotation speed of the motor 4 in the use state is about 10,000 rpm.

Next, when the main switch 15 is pushed in again and turned off, the control circuit immediately stops the driving of the pump driving motor 17 and the rotation speed is set for a predetermined time (t2) from the turning off of the main switch 15. The motor 4 for driving the rotating body is rotationally driven while raising the speed (about 15000 rpm). When a predetermined time (t2) elapses after the main switch 15 is turned off, the motor 4 is stopped.

FIG. 10 shows a cleaning method of the mist generating apparatus according to this embodiment, and FIG. 8B shows a timing chart during the cleaning operation. As shown in FIG. 8B, when the cleaning switch 16 is pushed in and turned on, the cleaning mode is set, and the control circuit 13 reversely rotates the motor 4 for driving the rotating body. The reverse rotation speed of the motor 4 at this time is set faster than the rotation speed of the motor 4 in the use state (about 15000 rpm). From this state, when the spray port 43 of the mist generating device is positioned below the tap and the tap of the tap is twisted, tap water (cleaning water) discharged from the tap is discharged from the spray port 43 to the rotating substrate 70 and the fan. It passes through the unit 46 and the like and flows out from the lower opening 41 through the communication holes 37 and 40, and dust adhering to the rotating substrate 70 and the like is washed away by the flow of the tap water. More specifically, the cleaning water introduced from the central opening 53a of the protective hood 45 is passed through the passages (liquid passage 83 and circumferential passage 84) formed between the rotating substrates 70a to 70d and between the rotating substrate 70d and the base portion 75. These passages can be cleaned by flowing into the formed passages (liquid passage 83 and circumferential passage 84). Therefore, even when highly viscous lotion or the like is made into mist instead of water, the lotion can be prevented from being hardened and clogged in the flow path. Of course, the injection port 43 and the communication holes 37 and 40 can be simultaneously cleaned. Needless to say, the cleaning water is not limited to tap water. Again, when the cleaning switch 16 is pushed again and turned off, the rotation of the motor 4 is stopped.

That is, this device is a mist generating device that supplies liquid to the rotating substrate 70 by the pump device 9 (feed pump) and mists the liquid by the rotation of the rotating substrate 70.
When the switch 15 is turned on, the rotary substrate 70 is rotated and the pump device 9 is driven.
When the switch 15 is turned off, the driving of the pump device 9 is stopped, and then the rotation of the rotary substrate 70 is stopped after a predetermined period (t2).
As described above, after the driving of the pump device 9 is stopped, if the rotation of the rotating substrate 70 is stopped after a predetermined period (t2), the residual liquid remaining on the rotating substrate 70 is misted to ensure the rotation. Since the liquid can be discharged, it is possible to reliably prevent the liquid from solidifying, particularly when the viscous liquid remains. Therefore, it is possible to obtain a mist generating device having excellent reliability while suppressing the occurrence of malfunction.

Further, in this mist generating device, when the switch 15 is turned on, the rotary substrate 70 is rotated and the pump device 9 is driven, and when the switch 15 is turned off, the driving of the pump device 9 is stopped, and then for a predetermined period (t2). The rotation of the rotating substrate 70 is stopped later,
The rotational speed of the rotating substrate 70 in the predetermined period (t2) is set to be faster than the rotational speed when mist is generated.
As described above, when the rotational speed of the rotary substrate 70 in the predetermined period (t2) after the driving of the pump device 9 is stopped is set to be higher than the rotational speed at the time of mist generation, the residual liquid is more reliably discharged. Therefore, the solidification problem of the residual liquid can be surely solved.

Further, in this mist generating device, the rotary substrate 70 is rotated by turning on the switch 15, and then the pump device 9 is driven after a predetermined period (t1).
According to this, since the liquid is supplied to the rotating substrate 70 after the rotating speed of the rotating substrate 70 is increased, large mist generated when the liquid is supplied when the rotating speed of the rotating substrate 70 is low is generated. The inconvenience of being done can be solved. Therefore, it is possible to generate a finer mist more reliably.

In addition, this mist generating device has a mist generation mode and a cleaning mode,
A fan 46 (fan unit) is attached to the rotating substrate 70.
The wind generated by the fan 46 is used to carry mist in the mist generation mode, and is used to discharge washing water in the cleaning mode.
According to this, since the wind used for the action for carrying the mist and the wind used for the action for discharging the washing water can be generated by one fan 46, the wind used for both actions can be generated. Compared to the form generated by the separate fans 46, the number of parts can be reduced and the manufacturing cost of the mist generating device can be reduced. In addition, since the wind used for both actions can be generated with a simple configuration, a highly reliable mist generating device can be obtained.

The rotational speed of the rotating substrate 70 in the cleaning mode can be made faster than the rotating speed of the rotating substrate 70 in the mist generation mode. According to this, the improvement of the discharge effect of washing water can be expected.

(Second Embodiment) FIG. 13 shows a second embodiment of the mist generating apparatus according to the present invention. Here, the point that the collision wall row 82 is spirally arranged from the center of the circle of the rotating substrate 70 toward the outer periphery is different from the first embodiment. Since the other points are the same as those in the first embodiment, the same members are denoted by the same reference numerals, and the description thereof is omitted. FIG. 13 shows only the rotating substrate 70a positioned at the lowermost position, but the remaining rotating substrates 70b to 70d can adopt the same arrangement configuration of the collision wall rows 82 as the rotating substrate 70a. To supplement.

Third Embodiment FIG. 14 shows a third embodiment of the present invention. Here, the point that the collision wall 81 is formed by an etching method is different from the first embodiment. That is, as shown in FIG. 14A, after a pattern resist 131 having a resist body 130 corresponding to the formation location of the collision wall 81 is formed on the upper surface of the substrate body 80 constituting the rotating substrate 70, the substrate body By applying an etching solution from the upper surface side of 80 and etching the upper surface of the substrate body 80 without the resist body 130 with the etching solution, the liquid passage 83 and the circumferential passage 84 as shown in FIG. The collision wall 81 is formed by forming a recess corresponding to the above in the substrate body 80. Also by the method of forming the rotating substrate 70 by the etching method as described above, the concavo-convex portion 95 can be formed by etching with an etching solution on the periphery of the recess, that is, the side surface of the collision wall 81. Since the other points are the same as those of the first embodiment, the same members are denoted by the same reference numerals and the description thereof is omitted.

(Fourth Embodiment) FIG. 15 shows a fourth embodiment of the present invention. There, an overhang portion 135 larger than the peripheral wall surface of the collision wall 81 is formed at the upper end of the collision wall 81. In the fourth embodiment, the rotating body 5 is not formed by stacking a plurality of rotating substrates 70, but the rotating body 5 is configured by only one rotating substrate 70. In other words, the upper rotating substrate 70 that serves as a top plate that covers the liquid passage 83 and the circumferential passage 84 is eliminated. Since the other points are the same as those in the first embodiment, the same members are denoted by the same reference numerals and the description thereof is omitted. As described above, when the overhang portion 135 is formed at the upper end of the collision wall 81, the liquid passing through the liquid passage 83 and the circumferential passage 84 can be prevented from moving upward in the overhang portion 135. Therefore, the liquid can be moved from the center of the rotating substrate 70 toward the outer peripheral direction while repeatedly colliding the liquid with the collision wall 81. Therefore, a miniaturized mist can be obtained.

In the above embodiment, the rotating body 5 is configured by four rotating substrates 70 (70a to 70d). However, the present invention is not limited to this, and the number of rotating substrates 70 may be more than four. It may be less than 4 sheets. Further, in the above embodiment, the mist generating device includes two switches, the main switch 15 and the cleaning switch 16, and the mist generating mode is set when the main switch 15 is pressed and the cleaning mode is set when the cleaning switch 16 is pressed. However, the number of switches may be one, and the mode may be changed in a cycle every time the switch is pressed. The shape of the main body case 1 such as the protective hood 45 is not limited to that shown in the first embodiment. In the first embodiment, the plurality of rotating substrates 70 are fixed by the connecting bosses 64. However, the present invention is not limited to this, and the plurality of rotating substrates 70 can be fixed by screws.

In the above embodiment, the mist generating unit 5 includes a fan (fan unit 46). However, the present invention is not limited to this, and there may be no fan. In the case where a fan is provided, a fan motor may be provided separately from the rotating body driving motor 4.

The driving means of the rotating body 5 is not limited to the motor 4 and may be a manual rotating body driving means. Specifically, manual rotating body drive means comprising a rack gear provided in the pressing lever, a pinion gear meshing with the rack gear, and a one-way clutch provided between the pinion gear and the rotating body, Alternatively, a mainspring type rotating body driving means may be used. Furthermore, the rotating body 5 may be rotated by wind force provided by a separately provided air supply unit by providing a plurality of fins on the back surface of the rotating body.

Moreover, in the said embodiment, although it was the form by which the mist production | generation part 6, the liquid supply means 9, etc. were provided in the inside of the one main body case 1, this invention is not limited to this, The mist production | generation part 6 Can be provided separately from the liquid feeding means 9 and the tank 7. That is, the form which the mist production | generation part 6, the liquid supply means 9, and the tank 7 are provided in a different body, and both are connected via the lead for electric power supply, a supply tube, etc. may be sufficient. The form may be such that the lotion bottle is directly connected to supply the liquid. In this case, the lotion bottle itself is the tank of the present invention. Further, the liquid may be directly supplied to the rotating body 5 by using a dropper or the like. In this case, the dropper itself serves as a tank and a liquid supply unit.

1 Body case 7 Tank 8 Liquid (water)
9 Liquid feed means (feed pump)
70 rotating substrate 81 collision wall 82 collision wall row 83 liquid passage 86 top plate 90 wall surface 91 wall surface 92 wall surface 93 wall surface 94 upper surface 95 uneven portion 96 groove 97 rib 135 overhang portion A liquid passage passage width B circumferential liquid passage direction Passage width E Rotational substrate thickness dimension H Collision wall protrusion dimension T Collision wall thickness dimension W Collision wall width dimension

Claims

A rotating substrate (70) that is driven to rotate, a tank (7) that contains a liquid (8) for generating mist, and a liquid that feeds the liquid (8) contained in the tank (7) to the rotating substrate (70). A feeding means (9),
The rotating substrate (70) has a plurality of collision walls (81),
The mist generator characterized by forming an uneven | corrugated | grooved part (95) in the wall surface (90) of a collision wall (81), and this wall surface (90) is roughened.
A rotating substrate (70) that is driven to rotate, a tank (7) that contains a liquid (8) for generating mist, and a liquid that feeds the liquid (8) contained in the tank (7) to the rotating substrate (70). A feeding means (9),
An annular collision wall row (82) formed by alternately arranging the collision walls (81) and the liquid passages (83) is provided at least twice in the radial direction so as to surround the rotation center of the rotary substrate (70). And
Each collision wall row (82) is arranged in a state where the collision wall (81) constituting the outer collision wall row (82) faces the liquid passage (83) of the inner collision wall row (82). ,
An uneven portion (95) is formed on the wall surface (90) of the collision wall (81) of the outer collision wall row (82) facing at least the outlet of the liquid passage (83) of the inner collision wall row (82), A mist generator characterized in that the wall surface (90) is roughened.
The mist generation according to claim 1 or 2, wherein the surface roughness of the rotating substrate (70) is set to be smaller than the roughness of the wall surface (90) of the collision wall (81) on which the uneven portion (95) is formed. apparatus.
The mist generation according to any one of claims 1 to 3, wherein the concave and convex portions (95) are formed and roughened on all the wall surfaces (90, 91, 92, 93) constituting the collision wall (81). apparatus.
The collision wall (81) is formed so as to protrude from the surface of the rotating substrate (70),
The mist generating device according to any one of claims 1 to 4, wherein the concavo-convex portion (95) includes a groove (96) and a rib (97) that are long in a protruding direction from the rotating substrate (70).
The width dimension (W) of the collision wall (81) in the circumferential direction of the rotating substrate (70) and the thickness dimension (T) of the collision wall (81) in the radial direction of the rotating substrate (70) are (W). The mist generating apparatus according to claim 1, wherein the mist generating apparatus is set so as to satisfy a relationship of> (T).
The width dimension (W) of the collision wall (81) in the circumferential direction of the rotating substrate (70), the thickness dimension (T) of the collision wall (81) in the radial direction of the rotating substrate (70), and the collision wall (81 7) is set so as to satisfy the relationship of (W)> (H)> (T).
The rotating substrate (70) includes a substrate body (80) and a collision wall (81). The thickness dimension (E) of the substrate body (80) and the width of the collision wall (81) in the circumferential direction of the rotating substrate (70). The dimension (W), the thickness dimension (T) of the collision wall (81) in the radial direction of the rotating substrate (70), and the protrusion dimension (H) of the collision wall (81) are (E)> (W). The mist generator according to any one of claims 1 to 7, wherein the mist generator is set to satisfy a relationship of> (H)> (T).
The width dimension (W) of the collision wall (81) in the circumferential direction of the rotating substrate (70), the thickness dimension (T) of the collision wall (81) in the radial direction of the rotating substrate (70), and the collision wall (81 ) And the passage width (A) of the liquid passage (83) of the collision wall row (82) satisfy the relationship of (W)> (H)> (T)> (A). The mist generating device according to any one of claims 1 to 8, wherein
The passage width (B) of the circumferential liquid passage (84) formed between the collision walls (81) constituting the inner and outer collision wall row (82), and the liquid passage (83) of the collision wall row (82). The mist generator according to any one of claims 1 to 9, wherein the passage width (A) is set so as to satisfy a relationship of (B)> (A).
A top plate (86) is fixed to the upper surface (94) of the collision wall (81),
The roughness of the upper surface (94) of the collision wall (81) is set smaller than the roughness of the wall surface (90) of the collision wall (81) facing the liquid passage (83). The mist generator according to the above.
Collision wall rows (82) are provided in multiple directions in the radial direction of the rotating substrate (70),
The mist generator according to claim 11, wherein the collision wall row (82) including the collision wall (81) also serves as a support structure for the top plate (86).
A plurality of rotating substrates (70) having a collision wall row (82) are laminated,
The mist generator according to claim 12, wherein the upper rotating substrate (70) also serves as a top plate (86) of the lower rotating substrate (70).
The mist generating device according to any one of claims 1 to 13, wherein the collision wall (81) is formed by an electroforming method.
The mist generating device according to any one of claims 1 to 10, wherein an overhang portion (135) is provided at an upper end of the collision wall (81).
The mist generator according to any one of claims 1 to 13, wherein the collision wall (81) is formed by an etching method.